[PATCH] can: flexcan: Fix runtime PM imbalance on error

[Dinghao Liu]

When register_flexcandev() returns an error code, a
pairing runtime PM usage counter decrement is needed
to keep the counter balanced.

Also, call pm_runtime_disable() when register_flexcandev()
returns an error code.

Signed-off-by: Dinghao Liu <dinghao....@zju.edu.cn>
---
 drivers/net/can/flexcan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 94d10ec954a0..ea193426e5ae 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -1666,6 +1666,8 @@ static int flexcan_probe(struct platform_device *pdev)
        return 0;
 
  failed_register:
+       pm_runtime_put_noidle(&pdev->dev);
+       pm_runtime_disable(&pdev->dev);
        free_candev(dev);
        return err;
 }
-- 
2.17.1